NSEC_TO_TICK_ROUNDUP
printt("real", NSEC_TO_TICK_ROUNDUP(timediff));
NSEC_TO_TICK_ROUNDUP(fxparmsp->fx_tqnsecs)) > INT_MAX)
NSEC_TO_TICK_ROUNDUP(nsecs)) > INT_MAX)
NSEC_TO_TICK_ROUNDUP(rtprmsp->rt_tqnsecs)) > INT_MAX)
NSEC_TO_TICK_ROUNDUP(nsecs)) > INT_MAX)
delay(NSEC_TO_TICK_ROUNDUP(t1 - now));